Energy-Saving Electric Combi Boiler for Efficient Home Heating
Product Specifications
- 760X480X320
Contact Supplier
Product Attributes
- Customization
- Available
- After-sales Service
- 1% Spare Part
- Warranty
- 3
- Model NO.
- HBG-16B
- Brand
- Doublemax
- Installation
- Wall-Mounted
- Power (W)
- 32kw
- Exhaust Way
- Forced Exhaust Flue
- Gas Heater Type
- Gas Heating
- Ignition
- Electronic Pulse Ignited
- Heating Area
- up to 249 FT²
- Material
- Metal
- Overheat Protection
- Yes
- Power Source
- Gas
- Use
- Bathroom, Bedroom, Living Room
- Energy Efficiency Rating
- Class a
- Heat Efficiency
- Over 90%
- Display Type
- LED
- APP-Controlled
- No
- Voltage (V)
- 110-220V
- Transport Package
- 760X480X320 84
- Specification
- 660X410X253
- Trademark
- oublemax
- Origin
- China
- HS Code
- 841810
- Production Capacity
- 200000/Year
- Package Size
- 760.00cm * 480.00cm * 320.00cm
- Package Gross Weight
- 30.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Energy-Saving Electric Combi Boiler for Efficient Home Heating
Find Similar Products
Product Description
Dual Function: Central heat + hot water
Compact Design: Easy install, space-saving
Intelligent Control: Constant temp, LED display
Safe Operation: Multiple protections
Flexible Customization: Panel, logo, color, language
Suitable for various residential uses
Residential homes
Apartments
Hotels
Villas
CE / ISO9001 / ERP (if applicable)
Gas approval for specific markets





Parameter | Description |
Rated Heat Input | 18 / 20 / 24 / 28 / 32 kW (optional) |
Rated Heat Output | Same as input (non-condensing type) |
Gas Type | 0.8–1.2 |
Heating Temperature Range | 6.2 |
Domestic Hot Water Output | 9.5 |
Hot Water Temperature Range | 35°C – 60°C (adjustable) |
Efficiency | ≥ 88% |
Ignition System | Automatic electric ignition |
Display | LED Digital Display |
Safety Functions | Overheating protection, Anti-dry burn, Flame failure protection, Overpressure protection, Anti-freeze |
Noise Level | ≤ 45 dB |
Power Supply | AC 220V / 50Hz |
Exhaust Type | Forced Exhaust / Balanced Flue |
Installation | Wall-mounted |
Dimensions | 780*480*320 |
Net Weight | 28 – 34 kg (depending on model) |
Housing Material | White powder-coated steel panel (optional stainless steel) |
Boilers packed with export-grade protection for safe delivery over long distances.
Each unit boxed in high-strength corrugated carton, reinforced EPE foam, anti-vibration to prevent impact, compression, and moisture.
Wall-hung gas boiler unit
Mounting bracket & installation kit
User manual (English)
Warranty card
Export-grade 5-layer corrugated carton
High-density foam for corner/side protection
Anti-drop, anti-vibration, moisture-resistant features
Clear printing of model labels, barcodes, handling marks
OEM logo/design packaging available upon request
Lead Time: 25–35 days after deposit & artwork confirmation
OEM/ODM: Supported
Loading Port: Shenzhen/Nansha (or as requested)
Supply Ability: 5000 units/month (adjustable)
20KW | 24KW | 28KW | 32KW | 40KW | |
NW (kg) | 26 | 27 | 34 | 35 | 39 |
GW (kg) | 29 | 30 | 37 | 38 | 42 |
Product size (mm) | 660X410X253 | 660X410X253 | 740*410*305 | 740*410*305 | 740*460*330 |
Packing size (mm) | 760X480X320 | 760X480X320 | 840*485*398 | 840*485*398 | 840*525*430 |
1-year warranty from shipment or 18 months from production, whichever first.
Free parts for defects from manufacturing/material issues within warranty.
Excludes damages from incorrect installation, misuse, or external factors.
2. Technical Support
24-hour online support via email, video call, or instant messaging.
Installation manuals, diagrams, and troubleshooting guides included.
Remote training for distributors or technicians available on request.
3. Spare Parts Supply
Spare parts available for at least 5 years post-shipment.
Common parts in stock for quick replacement.
Spare parts catalog available for ordering and maintenance.
4. OEM / ODM Support
Customization: logo, panel design, packaging, manual localization.
Technical drawings, reports, and documentation for partners.
5. Customer Feedback & Service Response
Inquiries and complaints answered within 24 hours.
Replacement or compensation for confirmed quality issues per warranty.
Regular feedback follow-up for satisfaction and reliability.
6. Installation & Maintenance Assistance (Optional)
On-site installation training or video demo for bulk orders.
Manual includes maintenance tips for safe, long-term boiler operation.

Over 50% of our products are CE, CB, ETL certified. Received ISO9001 and TUV.
For 21 years, we’ve earned honors and patents, praised by customers worldwide.
With customer trust, government support, and teamwork, we create smart, green products.


Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Gas stove
Range hood
Gas boiler
Microwave oven
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASI2011350". Items marked "" are certified.
Company Profile
Zhongshan Doublemax Electrical Appliances Co., Ltd. Located in near the beautiful pearl river, which is well-known as the home appliances of China -- the Dacen industrial zone in Huangpu town, Zhongshan city.
Zhongshan Doublemax Electrical Co., Ltd. is a high-end modern kitchen appliances supporting experts, Specializing in production of Range hood, Gas water heater, Electric water Heater, Gas stoves, Ceramic cooker, Induction cooker, Oven, room-heater, and their spare parts, ect. Covering 11 species, 958 kinds of different product portfolio. There are 20 million households in 75 countries and regions all over the world, are using Doublemax kitchen appliances to cook rich dishes.
Doublemax founded in 2012, the factory covers an area of 4, 3000 square meters, 386 staffs, has been committed to manufacturing high-end kitchen appliances, adhere to the original product design, offered unique design solutions for well-known brand in the world. Doublemax D& R team own 36 engineers who are with more than 10 years experience in high-end kitchen appliances field, gets much patents of appearance design.
Product Quality System: Doublemax company had got through ISO9001: 2008 quality system standards, more than 50% products passed CE, CB, COC, SASO, EMC, KUCAS certification.
Doublemax credit system: Doublemax credit system: GMC high-integrity enterprise. Factory passed TUV Rhineland-site certification audits.
Doublemax HONOR
- International Mangement Awards: ISO9001: 2008/SDO14001...
- Most Trustworthy Entweprise
- China's Well-know Trand Mark
- Customer's Most Satisfying Brand
- China Energy Conservation Certification
- Certification for China Environmental products
- AAAA Standardized Behavior Enterprise
- China's Top Kitchen Brand
- China's Hi-Tech Enterprise
- Menber of China Housing Industey Council
- Member of China Building Energy-saving Alliance
Coming to Doublemax in exporting, , we are a young, active, innovative company. But regards to a manufacture, we are an old supplier, under the group of HAODI, who own more than 19 years experience in home appliances production. We are willing to cooperate with businessmen of every country in the world, and grow together.
Doublemax, focus to make the life more beauty.
Do the Max& Double the Best.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 42 Puling Road, Dayan Industrial Zone, Huangpu Town, Zhongshan City, Zhongshan, Guangdong, China
-
Plant Area
- 6000 square meters
-
Number of Employees
- 44
-
Registered Capital
- 1,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Shenzhen Port, Guangzhou Port, Zhongshan Port
Our Production Capability & Technical Expertise
-
Main Products
- Gas Stove, Range Hood, Storage Electrical Water Heater, Gas Water Heater, Instant Electrical Water Heater, Electrical Oven, Free Standing Kitchen, Induction, Gas Boiler, Gas Heater, Free Standing Sink (Only Export)
-
Production Machines
- AC/DC Fan Aging Tester, Air Pressure Switch Performance and Durability Tester, Automatic Gas Stove Performance Tester, Components Comprehensive Performance Tester, Constant Temperature and Humidity Test Chamber, Drop Tester, Electrical Performance Detector, Fully Automatic Bursting Strength Tester, Gas Chromatograph, Gas Stove Performance Tester, Gas Water Heater Aging Tester, Gas Water Heater Comprehensive Detector, Gas Water Heater Comprehensive Tester, Intelligent Compression Strength Tester, Production Line, Range Hood Air Performance Test Equipment, Salt Spray Tester, Sealed Structure Air Leakage Test Bench, Simulate Transport Shaker, Solenoid Valve Performance and Durability Tester, Water Flow Sensor Performance and Durability Tester, Water Heater Comprehensive Performance Test System, Temperature Sensor Performance and Durability Tester, Wind Pressure Monitoring Equipment
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 6 people
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2017-03-06
- Export Year
- 2009-05-01
-
Main Markets
- South America, Europe, Southeast Asia/ Mideast, Africa, Australia
-
Number of Foreign Trading Staff
- 7
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE, Others
Send your message to this supplier
People who viewed this also viewed
-
US$195.00-325.00 / Piece
-
US$195.00-325.00 / Piece
-
US$195.00-325.00 / Piece
-
US$195.00-325.00 / Piece
-
US$325.00 / Piece
Product Categories
Find Similar Products By Category
- Supplier Homepage
- Products
- Heating Equipment
- Energy-Saving Electric Combi Boiler for Efficient Home Heating
Related Categories
Hot Searches
- China Gas Factories
- Gas Supply Factories
- Gas Generator Factories
- Gas System Factories
- A Gas Boiler
- B Gas Boiler
- Industrial Gas Boiler
- Pressure Gas Boiler
- Heat Gas Boiler
- Top 10 Gas
- Gas Boiler Bulkbuy